Under which circumstances will the classical Debugger start as the Debugger?

 A. None. The new Debugger will always start as the Debugger.
 B. When five modes already exist for this logon session.
 C. When the number of debugging sessions exceeds half the number of dialog
 D. When you specify the default as the classical Debugger in the settings of
the Object Navigator.
 E. If you manually switched to the classical Debugger during your last session.

Ans:  B,D